Several answers are acceptable. If the student includes the reverses of all the combinations, there are eight (1+6, 6+1, 2+5, 5+2, 3+4, 4+3, 7+0, 0+7). If they do not show reverses, then there are four combinations (1+6, 2+5, 3+4, 7+0). Back to Extra Challenges

Children should be able to find several ways to make fourteen using three addends. For example, 4+5+5.Back to Extra Challenges

Some children might say that they saw a pattern of adding three more rooms for each floor. Others may say they added three 14 times. Here are the answers for every floor: